package com.atguigu.lease.web.app.service.impl;


import com.aliyun.dysmsapi20170525.Client;
import com.aliyun.dysmsapi20170525.models.SendSmsRequest;
import com.atguigu.lease.common.constant.RedisConstant;
import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.utils.JwtUtil;
import com.atguigu.lease.model.entity.UserInfo;
import com.atguigu.lease.model.enums.BaseStatus;
import com.atguigu.lease.web.app.service.LoginService;
import com.atguigu.lease.web.app.service.UserInfoService;
import com.atguigu.lease.web.app.vo.user.LoginVo;
import com.atguigu.lease.web.app.vo.user.UserInfoVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import javax.swing.table.TableRowSorter;
import java.util.Random;
import java.util.concurrent.TimeUnit;

@Service
public class LoginServiceImpl implements LoginService {

    @Autowired
    private RedisTemplate<String, Object> redisTemplate;
    @Autowired
    private Client client;
    @Autowired
    private  UserInfoService userInfoService;

    @Override
    public void sendCode(String phone) throws Exception {

        String key = RedisConstant.APP_LOGIN_PREFIX + phone;
        //0.发送之间先检查是否存在
        Boolean hasKey = redisTemplate.hasKey(key);
        if (hasKey){
            //还没有过期 60秒内
            throw new LeaseException(ResultCodeEnum.APP_SEND_SMS_TOO_OFTEN);
        }
        //1.发送短信
        String code = "";
        Random random = new Random();
        for (int i = 0; i < 4; i++) {
            code += random.nextInt(10);
        }
        System.out.println("code = " + code); //2457 + null2269
        SendSmsRequest smsRequest = new SendSmsRequest();
        smsRequest.setPhoneNumbers(phone);
        smsRequest.setSignName("阿里云短信测试");
        smsRequest.setTemplateCode("SMS_154950909");
        smsRequest.setTemplateParam("{\"code\":\"" + code + "\"}\n");
        client.sendSms(smsRequest);

        //2.将验证码存储+phone作为key存储到redis中
        redisTemplate.opsForValue().set(key,code,RedisConstant.APP_LOGIN_CODE_TTL_SEC, TimeUnit.SECONDS);
    }

    @Override
    public String login(LoginVo loginVo) {
        //判断手机号码和验证码是否为空
        if(!StringUtils.hasText(loginVo.getPhone())){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_PHONE_EMPTY);
        }
        if(!StringUtils.hasText(loginVo.getCode())){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_CODE_EMPTY);
        }
        //判断验证码是否正确
        String key = RedisConstant.APP_LOGIN_PREFIX+loginVo.getPhone();
        String code = RedisConstant.APP_LOGIN_PREFIX+loginVo.getCode();
        if(code==null){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_CODE_EXPIRED);

        }
        if(!code.equals(loginVo.getCode())){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_CODE_ERROR);
        }
        //判断用户是否存在
        LambdaQueryWrapper<UserInfo> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(UserInfo::getPhone,loginVo.getPhone());
        UserInfo userInfo=userInfoService.getOne(queryWrapper);
        if(userInfo==null){
            userInfo.setPhone(loginVo.getPhone());
            userInfo.setStatus(BaseStatus.ENABLE);
            userInfo.setNickname(""+loginVo.getPhone().substring(5));
            userInfoService.save(userInfo);
        }

        //判断用户状态
        if(userInfo.getStatus().equals(BaseStatus.DISABLE)){
            throw new LeaseException(ResultCodeEnum.APP_ACCOUNT_DISABLED_ERROR);
        }
        //返回结果
        return JwtUtil.createToken(userInfo.getId(),loginVo.getPhone());
    }
}
